CVE-2026-31599

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: fix NULL pointer dereference in vidtvchannelpmtmatchsections syzbot reported a general protection fault in vidtvpsidescassign 1. vidtvpsipmtstreaminit can return NULL on memory allocation failure, but...

CVE-2026-31599

CVE-2026-31599 concerns a flaw in the Linux kernel vidtv driver where vidtv_pmt_stream_init can return NULL and the caller (vidtv_channel_pmt_match_sections) does not check for this, leading to a NULL pointer dereference in vidtv_psi_desc_assign and a general protection fault. The fixes add a NUL...

CVE-2026-31577 nilfs2: fix NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

CVE-2026-31577 nilfs2: fix NULL i_assoc_inode dereference in nilfs_mdt_save_to_shadow_map

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

CVE-2026-31577

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

EUVD-2026-25470

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

EUVD-2026-25468

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31575 mm/userfaultfd: fix hugetlb fault mutex hash calculation

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31575

In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfillatomichugetlb, linearpageindex is used to calculate the page index for hugetlbfaultmutexhash. However, linearpageindex returns the index in PAGESIZE units, while...

CVE-2026-31569

The CVE-2026-31569 issue affects the Linux kernel’s LoongArch KVM path, where EIOINTC's coremap can be empty in eiointc_update_sw_coremap(), causing an out-of-bounds access to kvm_arch::phyid_map::phys_map[]. The described impact is system instability or a crash, with potential information disclo...

CVE-2026-31569 LoongArch: KVM: Handle the case that EIOINTC's coremap is empty

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Handle the case that EIOINTC's coremap is empty EIOINTC's coremap in eiointcupdateswcoremap can be empty, currently we get a cpuid with -1 in this case, but we actually need 0 because it's similar as the case that...

CVE-2026-31569

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Handle the case that EIOINTC's coremap is empty EIOINTC's coremap in eiointcupdateswcoremap can be empty, currently we get a cpuid with -1 in this case, but we actually need 0 because it's similar as the case that...

EUVD-2026-25462

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Handle the case that EIOINTC's coremap is empty EIOINTC's coremap in eiointcupdateswcoremap can be empty, currently we get a cpuid with -1 in this case, but we actually need 0 because it's similar as the case that...

EUVD-2026-25451

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Make kvmgetvcpubycpuid more robust kvmgetvcpubycpuid takes a cpuid parameter whose type is int, so cpuid can be negative. Let kvmgetvcpubycpuid return NULL for this case so as to make it more robust. This fix an...

CVE-2026-41068 Kyverno: Cross-Namespace Read Bypasses RBAC Isolation (CVE-2026-22039 Incomplete Fix)

Kyverno is a policy engine designed for cloud native platform engineering teams. The patch for CVE-2026-22039 fixed cross-namespace privilege escalation in Kyverno's apiCall context by validating the URLPath field. However, the ConfigMap context loader has the identical vulnerability — the...

PT-2026-35006

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmap region commit 605f6586ecf7 "mm/vma: do not leak memory when .mmap prepare swaps the file" handled the success path by skipping get file via file doesnt need get, but missed the error path. When...

PT-2026-34951

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the vidtv channel pmt match sections function. This occurs because vidtv psi pmt stream init can return NULL during a memory allocation failure, whic...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the vidtv driver’s function vidtvchannelpmtmatchsections. This function does not check the NULL pointer...

qemu-kvm security update

7.2.0-37.el9 - hashing: use mmap/munmap for isal functions Elena Ufimtseva Orabug: 39165991 - multifd: replace allocations/free with mmap/munmap Elena Ufimtseva Orabug: 39165991 - pagecache: use mmap based data pool for cache items Elena Ufimtseva Orabug: 39165991 - pagecache: change cache...